function getCookie(name) {
    var r = document.cookie.match("\\b" + name + "=([^;]*)\\b");
    return r ? r[1] : undefined;
}

function updateCommentCount() {
    var count = $(".comment_list").length;
    $(".comment_count").html(count +"条评论")
}

$(function(){

    // 登录发表你的评论打开登录框
    $('.comment_form_logout').click(function () {
        $('.login_form_con').show();
    });

    // 收藏
    $(".collection").click(function () {
        var news_id = $(".collection").attr("data-newsid");
        var action = "collect";
        var params = {
            "news_id": news_id,
            "action": action
        };
        $.ajax({
            url: "/news/news_collect",
            type: "post",
            data: JSON.stringify(params),
            contentType: "application/json",
            headers:{
                "X-CSRFToken": getCookie("csrf_token")
            },
            success: function (resp) {
               if(resp.errno=="0"){
                   //无法在js中使用传入的数据,需要标签属性传入
                   // data.is_collected = true;
                    $(".collection").hide();
                    $(".collected").show();
                }else if(resp.errno=="4101"){
                   // 用户不存在,提醒登录
                   $(".login_form_con").show()
                }else{
                    alert(resp.errmsg)
               }
            }
        });
       
    });

    // 取消收藏
    $(".collected").click(function () {
        var news_id = $(".collected").attr("data-newsid");
        var action = "cancel_collect";
        var params = {
            "news_id": news_id,
            "action": action
        };
        $.ajax({
            url: "/news/news_collect",
            type: "post",
            data: JSON.stringify(params),
            contentType: "application/json",
            headers:{
                "X-CSRFToken": getCookie("csrf_token")
            },
            success: function (resp) {
               if(resp.errno=="0"){

                   $(".collection").show();
                   $(".collected").hide();
                }else if(resp.errno=="4101"){
                    $(".login_form_con").show()
                }else{
                    alert(resp.errmsg)
               }
            }
        });
     
    })

        // 评论提交
    $(".comment_form").submit(function (e) {
        e.preventDefault();
        var news_id = $(".comment_form").attr("data-newsid");
        var comment = $(".comment_input").val();
        var params = {
            "news_id": news_id,
            "comment": comment
        };
        $.ajax({
            url: "/news/news_comment",
            type: "post",
            headers: {"X-CSRFToken": getCookie("csrf_token")},
            data: JSON.stringify(params),
            contentType: "application/json",
            success: function (resp) {
                if(resp.errno=="0"){
                    var comment = resp.data.comment;
                    var comment_html = '';
                    comment_html += '<div class="comment_list">';
                    comment_html += '<div class="person_pic fl">';
                    if(comment.user.avatar_url){
                        comment_html +='<img src="' + comment.user.avatar_url + '" alt="用户图标">'
                    }else{
                        comment_html +='<img src="../../static/news/images/person01.png" alt="用户图标">'
                    }
                    comment_html += '</div>';
                    comment_html += '<div class="user_name fl">用户' +comment.user.nick_name+ '</div>';
                    comment_html += '<div class="comment_text fl">' + comment.content + '</div>';
                    comment_html += '<div class="comment_time fl">' + comment.create_time + '</div>';
                    comment_html += '<a href="javascript:;" class="comment_up fr" data-commentid="' + comment.id + '" data-newsid="' + comment.news_id + '">赞</a>';
                    comment_html += '<a href="javascript:;" class="comment_reply fr">回复</a>';
                    comment_html += '<form class="reply_form fl" data-commentid="' + comment.id + '" data-newsid="' + news_id + '">';
                    comment_html += '<textarea class="reply_input"></textarea>';
                    comment_html += '<input type="button" value="回复" class="reply_sub fr">';
                    comment_html += '<input type="reset" name="" value="取消" class="reply_cancel fr">';
                    comment_html += '</form>';
                    comment_html += '</div>';
                    $(".comment_list_con").prepend(comment_html);
                    updateCommentCount()

                    // 让comment_sub 失去焦点
                    $('.comment_sub').blur();
                    // 清空输入框内容
                    $(".comment_input").val("")
                }else if(resp.errno=="4101"){
                    alert("123");
                    $(".login_form_con").show();
                    alert("456");
                }else{
                    alert(resp.errmsg);
                }
            }
        })
    });

    $('.comment_list_con').delegate('a,input','click',function(){

        var sHandler = $(this).prop('class');

        if(sHandler.indexOf('comment_reply')>=0)
        {
            // 回复的next()是form
            $(this).next().toggle();
        }

        if(sHandler.indexOf('reply_cancel')>=0)
        {
            // 取消评论的parent是form
            $(this).parent().toggle();
        }

        if(sHandler.indexOf('comment_up')>=0)
        {
            var $this = $(this);
            if(sHandler.indexOf('has_comment_up')>=0)
            {
                // 如果当前该评论已经是点赞状态，再次点击会进行到此代码块内，代表要取消点赞
                $this.removeClass('has_comment_up')
            }else {
                $this.addClass('has_comment_up')
            }
        }
        // 回复评论
        if(sHandler.indexOf('reply_sub')>=0)
        {
            // alert('回复评论')
            var news_id = $(this).parent().attr("data-newsid");
            var comment_str = $(this).parent().children(".reply_input").val();
            var parent_id = $(this).parent().attr("data-commentid");
            var params = {
                "news_id": news_id,
                "comment": comment_str,
                "parent_id": parent_id
            };
            $.ajax({
                url: "/news/news_comment",
                type: "post",
                headers: {"X-CSRFToken": getCookie("csrf_token")},
                data: JSON.stringify(params),
                contentType: "application/json",
                success: function (resp) {
                    if(resp.errno=="0"){
                        var comment = resp.data.comment;
                        var comment_html = ""
                        comment_html += '<div class="comment_list">'
                        comment_html += '<div class="person_pic fl">'
                        if (comment.user.avatar_url) {
                            comment_html += '<img src="' + comment.user.avatar_url + '" alt="用户图标">'
                        }else {
                            comment_html += '<img src="../../static/news/images/person01.png" alt="用户图标">'
                        }
                        comment_html += '</div>';
                        comment_html += '<div class="user_name fl">' + comment.user.nick_name + '</div>';
                        comment_html += '<div class="comment_text fl">';
                        comment_html += comment.content;
                        comment_html += '</div>';
                        comment_html += '<div class="reply_text_con fl">';
                        comment_html += '<div class="user_name2">' + comment.parent.user.nick_name + '</div>';
                        comment_html += '<div class="reply_text">';
                        comment_html += comment.parent.content;
                        comment_html += '</div>';
                        comment_html += '</div>';
                        comment_html += '<div class="comment_time fl">' + comment.create_time + '</div>';
                        comment_html += '<a href="javascript:;" class="comment_up fr" data-commentid="' + comment.id + '" data-newsid="' + comment.news_id + '">赞</a>'
                        comment_html += '<a href="javascript:;" class="comment_reply fr">回复</a>'
                        comment_html += '<form class="reply_form fl" data-commentid="' + comment.id + '" data-newsid="' + news_id + '">'
                        comment_html += '<textarea class="reply_input"></textarea>'
                        comment_html += '<input type="button" value="回复" class="reply_sub fr">'
                        comment_html += '<input type="reset" name="" value="取消" class="reply_cancel fr">'
                        comment_html += '</form>'
                        comment_html += '</div>'
                        $(".comment_list_con").prepend(comment_html);
                        updateCommentCount()
                        // 请空输入框
                        $this.prev().val('')
                        $this.parent().hide()
                        alert('789')
                    }else if(errno=="4101"){
                        alert("123");
                        $(".login_form_con").show();
                        alert("456");
                    }else {
                        alert(resp.errmsg)
                    }
                }
            })
        }
    });

        // 关注当前新闻作者
    $(".focus").click(function () {

    })

    // 取消关注当前新闻作者
    $(".focused").click(function () {

    })
})

